How to install the Heroic Launcher to play Epic and GOG titles on

All-in-One: How to Add Non-Steam Games to Your Steam Library

How to install Battle.net on the Steam Deck

Installing the Epic Games Store on the Steam Deck - Pi My Life Up

How to Get Your Epic Games Library on Steam Deck - TechPP

One of the Steam Deck's biggest hurdles just disappeared: EAC has

Steam Deck desktop mode plus other stores — Epic Games Store

Steam Deck can now support games with Easy Anti-Cheat

Steam Deck: Fall Guys via Epic Games and Heroic - Update

Sorry if already posted: After installing EG through proton you can add the games as non-steam games without issues. Was easier and faster for me, than using Heroic (Covers added with Steamgrid

Heroic Games Launcher gets a big Hotfix to clean up some issues